mysql-test/extra/rpl_tests/rpl_slave_check_before_image_float_consistency.inc x: 104 lines of code y: 3 # changes

facebook / mysql-5.6

File Change Frequency

File change frequency (churn) shows the distribution of file updates (days with at least one commit).

File Change Frequency Overall

The number of recorded file updates

There are 4,918 files with 1,313,215 lines of code.

641 files changed more than 100 times (671,058 lines of code)
642 files changed 51-100 times (180,687 lines of code)
1,403 files changed 21-50 times (205,400 lines of code)
1,470 files changed 6-20 times (158,272 lines of code)
762 files changed 1-5 times (97,798 lines of code)

Legend:

101+

51-100

21-50

6-20

1-5

explore: zoomable circles | data

File Change Frequency per File Extension

inc, h, c, cpp, java, hpp, cc, txt, sh, pm, py, yy, pl, rst, cmake, t, xml, sql, properties, cfg, in, patch, ctl, frm, ini, bat, d, php, dsp, pp, html, js, m4, awk, g, l, spec, tst, gdb, plist, y, css, watchmanconfig, dfm, gitignore, arcconfig, i, r, bzrignore, mysql, yaml, clang-format, wxs, gitmodules, gitattributes, json

File Change Frequency per Extension

The number of recorded file updates

101+

51-100

21-50

6-20

1-5

File Change Frequency per Logical Decomposition

primary

primary (file change frequency)

The number of recorded file updates

101+

51-100

21-50

6-20

1-5

Most Frequently Changed Files (Top 50)

See data for all files...

File	# lines	# units	last modified (days ago)	created (days ago)	# changes	# contributors
sql_select.cc in sql	3349	45	562	7928	2429	168
sql_class.h in sql	3675	254	115	7928	2097	219
sql_table.cc in sql	6299	70	450	7928	2038	182
sql_base.cc in sql	5069	72	463	7928	1919	167
sql_class.cc in sql	4775	268	73	7928	1901	205
handler.cc in sql	5066	187	137	7928	1683	182
item_func.cc in sql	5406	216	340	7928	1663	150
sql_lex.h in sql	1400	73	197	7928	1541	156
sql_insert.cc in sql	2634	40	981	7928	1512	151
table.cc in sql	4279	95	1436	7928	1494	157
item.h in sql	2906	377	2117	7928	1484	131
item_cmpfunc.cc in sql	4704	189	2338	7928	1427	130
log.cc in sql	2456	78	872	7928	1411	150
sql_lex.cc in sql	2713	94	1095	7928	1410	145
handler.h in sql	1790	178	185	7928	1385	157
set_var.cc in sql	563	28	1772	7206	1380	131
sql_update.cc in sql	1601	18	465	7928	1344	145
mysql.cc in client	4685	49	1067	7928	1322	140
item_strfunc.cc in sql	3689	68	939	7928	1264	127
mysqldump.c in client	5091	96	981	7928	1241	141
sp_head.cc in sql	1229	32	185	7068	1233	134
table.h in sql	1233	56	940	7928	1174	136
sql_prepare.cc in sql	2624	97	185	7247	1174	137
field.h in sql	3257	392	46	7928	1159	131
sql_delete.cc in sql	746	9	465	7928	1113	123
item_sum.cc in sql	2464	101	2220	7928	1068	113
libmysql.c in libmysql	3565	171	1442	7928	1066	105
item_func.h in sql	1700	174	359	7928	1042	123
item_subselect.cc in sql	2283	94	2058	7278	1015	114
my_sys.h in include	772	-	667	7928	1007	139
log_event.h in sql	2437	166	46	7928	1000	130
my_global.h in include	828	4	2024	7517	990	115
sql_view.cc in sql	1315	13	702	6482	938	129
ha_partition.cc in sql	5119	155	582	6115	938	140
sql_db.cc in sql	1315	32	514	7928	923	123
sql_select.h in sql	709	32	2053	7928	912	109
item_timefunc.cc in sql	2464	101	2220	7928	910	110
sql_load.cc in sql	1657	13	465	7928	901	118
mysqlbinlog.cc in client	3047	47	918	7553	895	138
sp.cc in sql	1792	24	185	7064	879	119
item_cmpfunc.h in sql	1424	175	2338	7928	866	106
sql_cache.cc in sql	3233	84	655	7928	854	114
sql_partition.cc in sql	5013	136	185	6115	853	130
client.c in sql-common	5954	93	33	6923	851	133
lib_sql.cc in libmysqld	1034	35	1183	7674	829	116
sql_union.cc in sql	749	23	232	7561	765	101
lex.h in sql	699	-	632	7928	755	97
ha_ndbcluster.h in sql	609	12	3314	6574	750	83
sys_vars.cc in sql	6272	166	78	4497	738	167
item_strfunc.h in sql	883	37	2468	7928	731	99

Files With Most Contributors (Top 50)

Files sorted by the number of unique email addresses found in commits.

See data for all files...

File	# lines	# units	last modified (days ago)	created (days ago)	# changes	# contributors
sql_select.cc in sql	3349	45	562	7928	2429	168
sql_class.h in sql	3675	254	115	7928	2097	219
sql_table.cc in sql	6299	70	450	7928	2038	182
sql_base.cc in sql	5069	72	463	7928	1919	167
sql_class.cc in sql	4775	268	73	7928	1901	205
handler.cc in sql	5066	187	137	7928	1683	182
item_func.cc in sql	5406	216	340	7928	1663	150
sql_lex.h in sql	1400	73	197	7928	1541	156
sql_insert.cc in sql	2634	40	981	7928	1512	151
table.cc in sql	4279	95	1436	7928	1494	157
item.h in sql	2906	377	2117	7928	1484	131
item_cmpfunc.cc in sql	4704	189	2338	7928	1427	130
log.cc in sql	2456	78	872	7928	1411	150
sql_lex.cc in sql	2713	94	1095	7928	1410	145
handler.h in sql	1790	178	185	7928	1385	157
set_var.cc in sql	563	28	1772	7206	1380	131
sql_update.cc in sql	1601	18	465	7928	1344	145
mysql.cc in client	4685	49	1067	7928	1322	140
item_strfunc.cc in sql	3689	68	939	7928	1264	127
mysqldump.c in client	5091	96	981	7928	1241	141
sp_head.cc in sql	1229	32	185	7068	1233	134
table.h in sql	1233	56	940	7928	1174	136
sql_prepare.cc in sql	2624	97	185	7247	1174	137
field.h in sql	3257	392	46	7928	1159	131
sql_delete.cc in sql	746	9	465	7928	1113	123
item_sum.cc in sql	2464	101	2220	7928	1068	113
libmysql.c in libmysql	3565	171	1442	7928	1066	105
item_func.h in sql	1700	174	359	7928	1042	123
item_subselect.cc in sql	2283	94	2058	7278	1015	114
my_sys.h in include	772	-	667	7928	1007	139
log_event.h in sql	2437	166	46	7928	1000	130
my_global.h in include	828	4	2024	7517	990	115
sql_view.cc in sql	1315	13	702	6482	938	129
ha_partition.cc in sql	5119	155	582	6115	938	140
sql_db.cc in sql	1315	32	514	7928	923	123
sql_select.h in sql	709	32	2053	7928	912	109
item_timefunc.cc in sql	2464	101	2220	7928	910	110
sql_load.cc in sql	1657	13	465	7928	901	118
mysqlbinlog.cc in client	3047	47	918	7553	895	138
sp.cc in sql	1792	24	185	7064	879	119
item_cmpfunc.h in sql	1424	175	2338	7928	866	106
sql_cache.cc in sql	3233	84	655	7928	854	114
sql_partition.cc in sql	5013	136	185	6115	853	130
client.c in sql-common	5954	93	33	6923	851	133
lib_sql.cc in libmysqld	1034	35	1183	7674	829	116
sql_union.cc in sql	749	23	232	7561	765	101
lex.h in sql	699	-	632	7928	755	97
ha_ndbcluster.h in sql	609	12	3314	6574	750	83
sys_vars.cc in sql	6272	166	78	4497	738	167
item_strfunc.h in sql	883	37	2468	7928	731	99

Correlations

File Size vs. Number of Changes: 4920 points

		2429.0	# changes min: 1.0 average: 60.1 25th percentile: 11.0 median: 23.5 75th percentile: 52.75 max: 2429.0
0	8344.0
lines of code min: 1.0 \| average: 266.99 \| 25th percentile: 23.0 \| median: 68.0 \| 75th percentile: 210.0 \| max: 8344.0

Number of Contributors vs. Number of Changes: 4920 points

		2429.0	# changes min: 1.0 average: 60.1 25th percentile: 11.0 median: 23.5 75th percentile: 52.75 max: 2429.0
0	219.0
# contributors min: 1.0 \| average: 20.94 \| 25th percentile: 7.0 \| median: 16.0 \| 75th percentile: 26.0 \| max: 219.0